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Shaded-relief atlas plate of Phoenix, Arizona: rivers, roads, the city limits and where the water drains.
ARIZONA · MARICOPA COUNTY

Phoenix

1,673,164 people, 1,240 ft above sea level in Maricopa County.

1,240 ftElevation, city center
1,673,164People, 2024 estimate
518 sq miLand area
Mostly clear 71°
Mostly clear now Dew point 66° · SE 4 mph · high 81°
City of Phoenix River Interstate 10 miles
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The Phoenix plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.

MILE1
TODAY

Today in Phoenix

NWS forecast and National Blend of Models · updated 11:00 PM MST
RIGHT NOW Phoenix Sky Harbor International Airport (KPHX) · 11:51 PM
Mostly clear
71° Mostly clear Feels like 71° · high of 81° near 1 PM
WindSE 4 mphno gusts
Humidity84%falling to 58% this afternoon
Pressure29.66 in ↘falling slowly
Visibility10 mihaze-free
CloudsA few cloudsbases near 4,600 ft
UV index7 by 12 PMhigh; shade by midday
Dew point 66° · Muggyabout the same for three days
DryComfortableStickyMuggyOppressive
NEXT RAIN
Showers
Today, about 1 AMin about 1 hours · 58% chance · showers
LIKELY AMOUNT—amounts come within 3 days
LAST RAINSept. 280.18 in · 1 dry day
ALERTS & OUTLOOKS
! Flood WatchFlood Watch issued September 28 at 4:39PM MST until September 29 at 9:00PM MST by NWS Phoenix AZ
NWS NWS Phoenix and the Storm Prediction Center · checked 12:37 AM
SUN & MOON
↑ 6:21 AM6:16 PM ↓
11 h 54 m of daylight, 2 minutes less than yesterday
Waning gibbous, 92% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
28
GOODAir quality index · ozone
Tomorrow: 64, moderate. No pollen source yet.

The next three days, hour by hour

Sky: clear, cloudy, night Rain likely National Blend of Models
TUESDAY, SEPT. 29
TUESDAY, SEPT. 29
WEDNESDAY, SEPT. 30
THURSDAY, OCT. 1
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
showers night
rain
showers day
partly cloudy day
partly cloudy day
mostly sunny
mostly clear night
mostly clear night
partly cloudy night
partly cloudy night
partly cloudy day
partly cloudy day
partly cloudy day
mostly sunny
mostly clear night
mostly clear night
clear night
clear night
mostly sunny
clear day
clear day
clear day
clear night
mostly clear night
TEMPERATURE °F
75°
72°
77°
69°
80°
69°
85°
CHANCE OF RAIN
58% · 0.74 in Tuesday overnight 50%
WIND, MPH
8
9
8
9
9
9
8
8
7
8
7
5
1
2
5
6
6
6
6
3
0
0
0
3
HOW IT FEELS · DEW POINT
Sticky: dew points 59 to 65°

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 96° / 73°
TUE Sept. 29 Chance of showers Chance of showers
81° 67°
60% rain 0.04–0.8″ W 9 C
WED Sept. 30 Mostly sunny Mostly sunny
82° 68°
10% rain — E 4 C
THU Oct. 1 Sunny Sunny
88° 71°
0% rain — ENE 2 B
FRI Oct. 2 Sunny; hot Sunny; hot
91° 73°
0% rain — ESE 7 B
SAT Oct. 3 Sunny; hot Sunny; hot
93° 75°
0% rain — SE 12 C
SUN Oct. 4 Sunny; hot Sunny; hot
95° 77°
0% rain — ESE 17, gusts 28 C
MON Oct. 5 Sunny; hot Sunny; hot
95° 77°
0% rain — ESE 15, gusts 26 B
How sure are we? AModels agree: highs within 4° BSome spread: within 8° CWide spread: check back
Range from the National Blend of Models percentiles · graded on Forecast Scores
Map of a 72-hour back-trajectory: the air now over Phoenix was over the Sonoran Desert three days ago.
AIR MAIL

Where today’s air came from

The air arriving over Phoenix at 5,000 feet has hardly traveled: three days ago it was within 10 miles of here, drifting in light winds. It feels humid. Traced hour by hour through GFS analyses of the 850 hPa wind.

THIS WEEK, TWO YEARS AGO Sept. 28, 2024

The hottest this week has been

117° on Sept. 28, 2024, the hottest reading for this week of the year since 1895. Next is 108° in 1989.

108°
117°
19892024
Source: NOAA RCC-ACIS, the Phoenix Area threaded record since 1895.
MILE7
ON THE NETWORK

Around Phoenix on the Forecast Network

Neighboring plates

Mesa AZ · 25 MI 25 miles southeast Gilbert AZ · 27 MI 27 miles southeast San Tan Valley AZ · 41 MI 41 miles southeast Flagstaff AZ · 115 MI 115 miles north Tucson AZ · 121 MI 121 miles southeast Yuma AZ · 159 MI 159 miles southwest
FORECASTCITY
Atlas plate of Phoenix, Arizona. Explore the plate
ARIZONA · MARICOPA

Phoenix

1,673,164 people, 1,240 ft above sea level in Maricopa County.

1,240 ftElevation
1,673,164People
518 sq miLand
Mostly clear 71°
Mostly clearDew point 66°
1

Today in Phoenix

NEXT 15 HOURS
Now partly cloudy night 75° 24%
3a rain 73° 57%
6a rain 72° 57%
9a partly cloudy day 74° 20%
12p mostly sunny 76° 12%
3p partly cloudy day 77° 14%
Showers
NEXT RAINToday about 1 AM · 58%
→
Tue60%
Chance of showers Chance of showers
67
81
C
Wed10%
Mostly sunny Mostly sunny
68
82
C
Thu0%
Sunny Sunny
71
88
B
Fri0%
Sunny; hot Sunny; hot
73
91
B
Sat0%
Sunny; hot Sunny; hot
75
93
C
Sun0%
Sunny; hot Sunny; hot
77
95
C
Mon0%
Sunny; hot Sunny; hot
77
95
B
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
THIS WEEK, TWO YEARS AGO · SEPT. 28, 2024

117°, the hottest this week of the year has been since 1895.